:root {
  --ink: #0f1c2e;
  --navy: #152a45;
  --gold: #c9a227;
  --gold-soft: #e8d48b;
  --paper: #f4f6f9;
  --card: #ffffff;
  --line: #d7dee8;
  --muted: #5b6b7c;
  --ok: #1f7a4d;
  --hot: #b42318;
  --warn: #b54708;
  --eng: #175cd3;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { height: 100%; }
body {
  font-family: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #dce7f5 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #f3e7c2 0%, transparent 50%),
    var(--paper);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold); }

.vi-top {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem 1.5rem;
  background: linear-gradient(90deg, var(--navy), #1e3a5f);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.vi-brand a { color: #fff; font-weight: 700; letter-spacing: 0.02em; font-size: 1.05rem; }
.vi-brand span { color: var(--gold-soft); font-weight: 600; }
.vi-nav { display: flex; gap: 0.75rem; flex: 1; flex-wrap: wrap; }
.vi-nav a {
  color: rgba(255,255,255,0.8);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-size: 0.92rem;
}
.vi-nav a:hover, .vi-nav a.active { background: rgba(255,255,255,0.12); color: #fff; }
.vi-user { display: flex; align-items: center; gap: 0.75rem; font-size: 0.85rem; color: rgba(255,255,255,0.75); }

.vi-main {
  width: min(1200px, calc(100% - 2rem));
  margin: 1.5rem auto;
  flex: 1 0 auto;
}
.vi-foot {
  position: sticky;
  bottom: 0;
  z-index: 15;
  width: 100%;
  margin: 0;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.75rem max(1rem, calc((100% - 1200px) / 2 + 1rem));
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--line);
  box-shadow: 0 -1px 0 rgba(15, 28, 46, 0.04);
  backdrop-filter: blur(6px);
}

h1 { font-size: 1.6rem; margin: 0 0 0.35rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }
.sub { color: var(--muted); margin: 0 0 1.25rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}
.stat .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-size: 1.7rem; font-weight: 700; margin-top: 0.25rem; color: var(--navy); }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  margin-bottom: 1.25rem;
}

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: #f8fafc; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.badge-low { background: #eef2f6; color: #475467; }
.badge-engaged { background: #eff8ff; color: var(--eng); }
.badge-high { background: #fffaeb; color: var(--warn); }
.badge-hot { background: #fef3f2; color: var(--hot); }
.badge-conv { background: #ecfdf3; color: var(--ok); }

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--navy);
  color: #fff;
}
.btn:hover { filter: brightness(1.08); color: #fff; }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn-secondary {
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--line);
}
.btn-secondary:hover {
  background: #f3f6fa;
  color: var(--navy);
  filter: none;
  border-color: #b8c4d4;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  box-shadow: 0 18px 40px rgba(15, 28, 46, 0.08);
}
.login-card h1 { font-size: 1.35rem; }
.field { margin-bottom: 0.9rem; }
.field label { display: block; font-size: 0.85rem; margin-bottom: 0.3rem; color: var(--muted); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
.err {
  background: #fef3f2;
  color: var(--hot);
  border: 1px solid #fecdca;
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
  margin-bottom: 0.9rem;
  font-size: 0.9rem;
}
.okmsg {
  background: #ecfdf3;
  color: var(--ok);
  border: 1px solid #abefc6;
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
  margin-bottom: 0.9rem;
  font-size: 0.9rem;
}
.code {
  background: #0f1c2e;
  color: #e8eef7;
  border-radius: 10px;
  padding: 1rem;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.45;
}
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.25rem;
  border-left: 2px solid var(--line);
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.1rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}
.muted { color: var(--muted); }
.row-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* Guidelines / docs page */
.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}
.guide-toc {
  position: sticky;
  top: 4.5rem;
  padding: 1rem !important;
}
.guide-toc h2 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 0.65rem;
}
.guide-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.55;
}
.guide-toc a { color: var(--navy); }
.guide-toc a:hover { color: var(--gold); }
.guide-section h2 {
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.9rem;
}
.guide-section h3 {
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
  color: var(--navy);
}
.guide-section p { margin: 0 0 0.75rem; line-height: 1.55; }
.guide-list {
  margin: 0.35rem 0 0.75rem;
  padding-left: 1.2rem;
  line-height: 1.55;
}
.guide-steps {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.55;
}
.guide-steps li { margin-bottom: 0.85rem; }
.guide-callout {
  background: #fff8e8;
  border: 1px solid #ead9a0;
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  line-height: 1.5;
}
.guide-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
@media (max-width: 900px) {
  .guide-layout { grid-template-columns: 1fr; }
  .guide-toc { position: static; }
  .guide-feature-grid { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .vi-top { flex-wrap: wrap; }
  .vi-user { width: 100%; justify-content: space-between; }
}